---
title: "CVE-2018-11219\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2018-11219?format=md
keywords: index, follow
---

# CVE-2018-11219

Publication date 17 June 2018

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

## Cvss 3 Severity Score

**9.8 · Critical**

[Score breakdown](https://ubuntu.com/security/CVE-2018-11219?format=md#impact-score)

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## Description

An Integer Overflow issue was discovered in the struct library in the Lua
subsystem in Redis before 3.2.12, 4.x before 4.0.10, and 5.x before 5.0
RC2, leading to a failure of bounds checking.

### From the Ubuntu Security Team

It was discovered that Redis incorrectly handled integers. An attacker
could possibly use this issue to cause a denial of service.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| redis | 18.10 cosmic | Not affected |
| 18.04 LTS bionic | Fixed 5:4.0.9-1ubuntu0.1 |
| 17.10 artful | Ignored end of life |
| 16.04 LTS xenial | Fixed 2:3.0.6-1ubuntu0.2 |
| 14.04 LTS trusty | Fixed 2:2.8.4-2ubuntu0.2 |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

9.8 · Critical

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | Attack complexity | Low |
  | Privileges required | None |
  | User interaction | None |
  | Scope | Unchanged |
  | Confidentiality impact | High |
  | Integrity impact | High |
  | Availability impact | High |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 9.8 · Critical |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-11219)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2018-11219)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2018-11219)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2018-11219)

### Other references

* <https://github.com/antirez/redis/issues/5017>
* <http://antirez.com/news/119>
* <https://github.com/antirez/redis/commit/1eb08bcd4634ae42ec45e8284923ac048beaa4c3>
* <https://github.com/antirez/redis/commit/e89086e09a38cc6713bcd4b9c29abf92cf393936>
* <https://raw.githubusercontent.com/antirez/redis/4.0/00-RELEASENOTES>
* <https://raw.githubusercontent.com/antirez/redis/5.0/00-RELEASENOTES>
* <https://www.debian.org/security/2018/dsa-4230>
* <https://www.cve.org/CVERecord?id=CVE-2018-11219>